On the Western Front... On the right, forces of the US 1st Army (Bradley) are primarily engaged at Carentan, which is captured during the day as is Lison. On the left, the British 2nd Army (Dempsey) encounters heavy German resistance at Tilly and elsewhere along the front.

In Italy... Elements of the French Expeditionary Corps (part of US 5th Army) capture Montefiascone, west of Viterbo. Force of the British 8th Army, inland, are engaged near Cantalupo and Bagnoregio.

Over Romania... The US 15th Air Force, operating from bases in Italy, raids the airfield at Focsani. The aircraft fly on to Soviet held territory in the first "shuttle" run of this sort.

In the Mariana Islands... US Task Force 58 (Admiral Mitscher) begins raids against Japanese bases on Saipan, Tinian and other islands. TF58 has 9 fleet carriers and 6 light carriers. Task Group 58.7 (Admiral Lee) provides escort. An estimated 36 Japanese planes are shot down. Task Group 58.4 attacks shipping in the area. The Japanese lose 3 minor warships and about 30,000 tons of merchant transport by the aircraft. The operations are overseen by Admiral Spruance, commanding the Central Pacific Area, on board the cruiser Indianapolis.